Ticket #3485: 117 kilobytes of improvement is little, but it was probably still worth to do it

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28384 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
revert r28376

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28385 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
testing Java 6

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28386 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
[giac] next attempt to improve tangent

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@28387 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e